For complete disinfection (after a virus , bacterial or yeast infection, or for residues on cloth diapers, for example): Soak for 10 minutes, using 22 ml (1.5 TBSP) per 4 L water, then rinse OR wash with laundry soap and then add 22 ml (1.5 TBSP) to rinse cycleImportant: do NOT use with laundry soap